HTML Meta Charset vs HTTP Content-Type Header
Understand how the HTTP Content-Type header and HTML meta charset declaration control decoding.
Month: August 2026
Find a Character’s Unicode Code Point with JavaScript
Find Unicode code points correctly in JavaScript, including supplementary characters.
HTML Entities: Named, Decimal, and Hexadecimal Formats
Use named, decimal, and hexadecimal HTML character references correctly.
How to Fix Garbled Text and Mojibake on a Web Page
Diagnose mojibake and align file, HTTP, HTML, database, and connection encodings.
UTF-8 vs ASCII, ISO-8859-1, and Windows-1252
Compare UTF-8, ASCII, ISO-8859-1, and Windows-1252 and choose the safest encoding for new web content.
Create a Crosstab Query in Microsoft Access
Build a Microsoft Access crosstab query with row headings, fixed month columns, totals, date criteria, and properly declared parameters.
Calculate Age from a Birth Date in Microsoft Access
Calculate a person’s completed age in Microsoft Access with a query expression or reusable VBA function, including birthdays and leap-day decisions.
Handle Null Values with Nz and IIf in Access
Use Nz, IsNull, and IIf correctly in Microsoft Access queries, forms, and reports without confusing Null with zero or an empty string.
Group Access Query Results by Month or Year
Summarize Microsoft Access records by month or year with DateSerial, Year, Month, and aggregate functions while preserving chronological sorting.
Create a Date Range Query in Microsoft Access
Learn how to filter Microsoft Access records between two dates, include records that contain times, use parameters, and build reliable current-month criteria.